When the maximum allowable working pressure exceeds one hundred twenty-five psig, each bottom blow-off pipe shall be fitted with at least two (2) 150 psig standard valves or a valve cock and a valve.
229 Neb. Admin. Code, ch. 21, § 033
When the maximum allowable working pressure exceeds one hundred twenty-five psig, each bottom blow-off pipe shall be fitted with at least two (2) 150 psig standard valves or a valve cock and a valve.
229 Neb. Admin. Code, ch. 21, § 033